How are Toptal Data Validators different?

At Toptal, 我们彻底筛选我们的数据验证器，以确保我们只匹配您与人才的最高水准. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. 你将与工程专家(而不是一般的招聘人员或人力资源代表)一起了解你的目标, technical needs, and team dynamics. 最终的结果是:经过专家审查的人才从我们的网络，定制匹配，以满足您的业务需求.

Can I hire Data Validators in less than 48 hours through Toptal?

Depending on availability and how fast you can progress, you could start working with a Data Validator within 48 hours of signing up.

What is the no-risk trial period for Toptal Data Validators?

我们确保您和您的数据验证器之间的每次约定都从长达两周的试用期开始. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, 我们会给你开时间单的，你愿意多久我们就多久. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, 或者我们可以为您提供另一位可能更合适的专家，我们将与他开始第二轮谈判, no-risk trial.

Hire the Top 3% of Freelance Data Validators

Toptal is a marketplace for dedicated Data Validators. 顶级公司和初创公司选择Toptal Data Validation自由职业者进行关键任务数据验证开发项目.

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No-Risk Trial, Pay Only If Satisfied.

Trusted by leading brands and startups

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Hire Freelance Data Validators

View Federico

Federico Pereiro

Freelance Data Validator

NetherlandsToptal Member Since November 4, 2015

Federico is a full-stack JavaScript developer and open source contributor. He works remotely with international customers, specifying, implementing, and provisioning web applications. 他的重点是开发解决复杂问题的极其简单的系统.

Data Validation Open Source Redis Node.js JavaScript Vanilla JS Web Architecture API Design REST APIs Back-end Full-stack + more

View Vamsi

Vamsi Darbhamulla

Freelance Data Validator

CanadaToptal Member Since March 18, 2022

Vamsi是一名软件开发工程师，专门从事测试架构，拥有14年的定制化构建经验, scalable test automation solutions across different domains. 他拥有丰富的测试和DevOps经验，可以构建和维护各种CI/CD管道，为敏捷交付团队提供更快的反馈循环.

Data Validation Java Node.js Mocha Chai Docker Selenium WebSockets Test Automation Apache Maven SQL JavaScript Quality Assurance (QA)+ more

View Juro

Juro Oravec

Freelance Data Validator

United KingdomToptal Member Since March 2, 2022

Juro的技能是一个软件创业公司的联合创始人-解决方案架构师, full-stack developer, data engineer, project manager, user researcher, business consultant and strategist, a bit of DevOps, mediocre designer, mediocre salesman, mediocre marketing guy, and a great comedian. He's deployed projects in academia, biotech, pharma, and marketing domains. Juro excels in highly complex systems.

Data Validation Git Docker TypeScript GraphQL Vue Firebase PostgreSQL Node.js Python Web Extensions SQL Redis + more

View Hannah

Hannah Iara Silva

Freelance Data Validator

BrazilToptal Member Since September 7, 2023

Hannah是一名商业智能顾问和Power BI开发人员，拥有8年为领先公司操作数据和构建可视化的经验. 作为数据分析师、开发人员、工程师和产品负责人，她在BI方面有着坚实的背景. Hannah勤奋地确保准确性和上下文，通过数据可视化来澄清问题. 她擅长使用云计算将复杂的数据转化为清晰的见解, programming languages, and Power BI.

Data Validation Microsoft Power BI SQL Trello Data Analysis Data Visualization Data Modeling Business Intelligence (BI)DAX Data Analytics ETL Databases Lean Six Sigma + more

View Alvaro

Alvaro Parra

Freelance Data Validator

BoliviaToptal Member Since July 16, 2021

Alvaro是一名数据工程师，拥有超过7年的ETL管道和数据库工作经验. He is a certified MCSA SQL database developer with expertise in Azure, Databricks, Python, Airflow, and Snowflake. Alvaro has engineered data solutions for banking, credit card, pharmaceutical marketing, and oil companies. 他的工作大大增加了收入，减少了开支，缩短了处理时间.

Data Validation ETL SQL Data Engineering Python Data Analysis Data Warehousing Databases Snowflake SQL Stored Procedures T-SQL (Transact-SQL)+ more

View Marijo

Marijo Alilović

Freelance Data Validator

CroatiaToptal Member Since June 15, 2022

Marijo是一位经验丰富的数据科学家，具有很强的数学和数理统计背景. He is proficient in statistical analysis, data handling, 和优化技术，并有效地将复杂的数据转化为可操作的见解, leveraging solid analytical reasoning and precise communication skills. Marijo is detail-oriented, proficient in R, SQL, and Python, 并热衷于在不同领域提供数据驱动的解决方案.

Data Validation R RStudio RStudio Shiny Statistics Data Cleaning Data Visualization Data Scientist + more

View Raja

Raja Bollepally

Freelance Data Validator

IndiaToptal Member Since April 10, 2023

With nine years of professional experience, Raja has worked as a pharmaceutical analyst during five of them, making him an expert in pharmaceuticals and lab processes. He's keen on developing, testing, and deploying objects with LabWare LIMS, 因此，可以很好地将此工具与其他工具集成.

Data Validation

View Fahad

Fahad Mukhtar

Freelance Data Validator

PakistanToptal Member Since September 7, 2022

Fahad拥有超过8年的资深QA工作经验，熟悉整个QA和测试流程. He's experienced in designing, creating, executing, and planning testing strategies, 确保从设计到部署的所有软件开发阶段的质量. Fahad is a senior QA engineer passionate about the reflective user journey, user satisfaction, and innovation and has tested web, Web3, mobile, game, and API technologies for products with millions of users.

Data Validation UI Testing UX Testing Regression Testing API Testing Functional Testing Mobile App Testing Website Testing Jira Postman Slack BrowserStack User Acceptance Testing (UAT)+ more

View Narayan

Narayan Nandeda

Freelance Data Validator

IndiaToptal Member Since July 31, 2019

Narayan是一名数据科学家，在统计建模方面拥有10多年的经验, NLP, ML, deep learning, AI, and GenAI. He's experienced in deploying ML solutions across the healthcare, retail, supply chain, telecom, and eCommerce domains. Narayan has been designing, developing, and deploying data science solutions using Python and R since 2011. He's an expert in supervised and unsupervised ML, regression, classification, forecasting, reinforcement learning, GANs, and Keras.

Data Validation Data Mining Natural Language Toolkit (NLTK)Jupyter Statistics Python Keras Deep Learning Linear Regression Machine Learning Natural Language Processing (NLP)Linear Programming OpenCV + more

View Kevin

Kevin Saul

Freelance Data Validator

United StatesToptal Member Since December 12, 2022

Kevin是一名高级数据工程师和专业服务顾问，为大型复杂数据存储提供软件解决方案, integration, analysis, and reporting. He has 22 years of experience developing, delivering, 并为环境和生物技术行业提供以数据为中心的软件解决方案和8年的分析化学经验. 他对开发可持续农业和土地复垦的创新解决方案特别感兴趣.

Data Validation SQL Microsoft Power BI Azure SQL Data Warehouse Design ETL SQL Stored Procedures SQL Performance Microsoft SQL Server SQL Server Analysis Services (SSAS)SQL Server 2014 SQL Server 2008 Data Integration + more

View Ryan

Ryan Lind

Freelance Data Validator

CanadaToptal Member Since October 8, 2021

Ryan has over 10 years of experience in data engineering, database development, data warehousing, business intelligence, and reporting. 他热衷于将数据汇集在一起进行分析，以支持数据驱动的决策. Ryan坚信支持数据质量和维护组织的真实来源的重要性.

Data Validation Windows SQL Server Management Studio (SSMS)SQL Server 2016 SQL ETL SQL Server Reporting Services (SSRS)Data Warehousing Business Intelligence (BI)Data Modeling Database Design Database Development Data Engineering + more

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Trustpilot

Toptal in the press

... 允许公司快速组建具有特定项目所需技能的团队.

尽管对程序员的需求在不断增加，但Toptal对自己近乎常春藤联盟级别的审查感到自豪.

Our clients

Creating an app for the game

Leading a digital transformation

Building a cross-platform app to be used worldwide

Drilling into real-time data creates an industry game changer

Testimonials

Tripcents wouldn't exist without Toptal. Toptal Projects使我们能够与产品经理一起快速发展我们的基金会, lead developer, and senior designer. In just over 60 days we went from concept to Alpha. The speed, knowledge, expertise, and flexibility is second to none. Toptal团队是tripcents的一部分，就像tripcents的任何内部团队成员一样. 他们像其他人一样贡献并拥有开发的所有权. We will continue to use Toptal. As a startup, they are our secret weapon.

Brantley Pace

CEO & Co-Founder

I am more than pleased with our experience with Toptal. 和我一起工作的专业人员在几个小时内就和我通了电话. 在和他讨论了我的项目后，我知道他就是我想要的候选人. I hired him immediately and he wasted no time in getting to my project, 甚至通过添加一些很棒的设计元素来增加我们的整体外观.

Paul Fenley

Director

与我合作的开发者都非常出色——聪明、有动力、反应灵敏. It used to be hard to find quality engineers and consultants. Now it isn't.

Ryan Rockefeller

CEO

Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision, and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.

Jason Kulik

Co-Founder

作为一家资源有限的小公司，我们不能犯代价高昂的错误. Toptal为我们提供了一位经验丰富的程序员，他能够立即投入工作并开始做出贡献. It has been a great experience and one we'd repeat again in a heartbeat.

Stuart Pocknee

Principal

How to Hire Data Validators Through Toptal

Talk to One of Our Industry Experts

Toptal的工程总监将与您一起了解您的目标, technical needs, and team dynamics.

Work With Hand-Selected Talent

几天之内，我们将为您的项目介绍合适的Data Validator. Average time to match is under 24 hours.

The Right Fit, Guaranteed

试用您的新数据验证器一段时间(仅在满意的情况下付费), ensuring they're the right fit before starting the engagement.

FAQs

How are Toptal Data Validators different?
At Toptal, 我们彻底筛选我们的数据验证器，以确保我们只匹配您与人才的最高水准. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. 你将与工程专家(而不是一般的招聘人员或人力资源代表)一起了解你的目标, technical needs, and team dynamics. 最终的结果是:经过专家审查的人才从我们的网络，定制匹配，以满足您的业务需求.
Can I hire Data Validators in less than 48 hours through Toptal?
Depending on availability and how fast you can progress, you could start working with a Data Validator within 48 hours of signing up.
What is the no-risk trial period for Toptal Data Validators?
我们确保您和您的数据验证器之间的每次约定都从长达两周的试用期开始. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, 我们会给你开时间单的，你愿意多久我们就多久. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, 或者我们可以为您提供另一位可能更合适的专家，我们将与他开始第二轮谈判, no-risk trial.

Tap Into World-Class Talent

Trusted Experts Only
All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.
The Right Fit
We have a knack for matching you with the right fit. 在无风险的试用期开始和你的新员工一起工作，只在满意的情况下付钱.
Scale as Needed
在48小时内雇佣人才，根据需要扩大或缩小团队规模，没有任何附加条件.
Seamless Hiring
We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.
Flexible Engagements
Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.
Expert Talent Matching
专注于您的项目，享受您的专业客户经理和专家人才匹配的支持.